<template>
  <view class="settle-container">
    <!-- 全选 -->
    <label class="radio" @click="changeAllState">
      <radio :checked="isAllChecked" color="#c00000" /><text>全选</text>
    </label>
    <!-- 总计 -->
    <view class="amount-box">
      合计：<text class="amount">￥{{checkedAmount}}</text>
    </view>
    <!-- 结算 -->
    <view class="btn-settle" @click="settlement">
      结算({{checkedCount}})
    </view>
  </view>
</template>

<script>
  import {
    mapGetters,
    mapMutations,
    mapState
  } from 'vuex'
  export default {
    computed: {
      ...mapGetters('m_cart', ['checkedCount', 'total', 'checkedAmount']),
      ...mapGetters('m_user', ['addstr']),
      ...mapState('m_user', ['token']),
      ...mapState('m_cart', ['cart']),
      isAllChecked() {
        return this.total === this.checkedCount
      }
    },
    data() {
      return {
        //倒计时的秒数
        seconds: 3,
        //定时器的id
        timer: null
      };
    },
    methods: {
      ...mapMutations('m_cart', ['updateAllGoodsState']),
      ...mapMutations('m_user', ['updateRedirectInfo']),
      changeAllState() {
        // console.log(!this.isAllChecked)
        this.updateAllGoodsState(!this.isAllChecked)
      },
      settlement() {
        if (!this.checkedCount) return uni.$showMsg("请选择要结算的商品！")
        if (!this.addstr) return uni.$showMsg("请选择收货地址！")
        // console.log("addstr:"+this.addstr)
        if (!this.token) return this.delayNavigate()
        // 4. 实现微信支付功能
        this.payOrder()
      },
      delayNavigate() {
        this.seconds = 3
        this.showTips(this.seconds)
        this.timer = setInterval(() => {
          this.seconds--
          if (this.seconds <= 0) {
            clearInterval(this.timer)
            uni.switchTab({
              url: '/pages/my/my',
              success: () => {
                this.updateRedirectInfo({
                  openType: 'switchTab',
                  from: "/pages/cart/cart"
                })
              }
            })
            return
          }
          this.showTips(this.seconds)
        }, 1000)
      },
      showTips(n) {
        uni.showToast({
          title: '请登录后在结算！' + n + '秒后自动跳转到登录页',
          icon: 'none',
          duration: 1500,
          // 为页面添加透明遮罩，防止点击穿透
          mask: true,
        })
      },
      //微信支付
      async payOrder() {
        //1.创建订单对象
        // 1.1 组织订单的信息对象
        const orderInfo = {
          // 开发期间，注释掉真实的订单价格，
          // order_price: this.checkedGoodsAmount,
          // 写死订单总价为 1 分钱
          order_price: 0.01,
          consignee_addr: this.addstr,
          goods: this.cart.filter(x => x.goods_state).map(x => ({
            goods_id: x.goods_id,
            goods_number: x.goods_count,
            goods_price: x.goods_price
          }))
        }
        // 1.2 发起请求创建订单
        const {
          data: res
        } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
        // console.log(res)
        if (res.meta.status !== 200) return uni.$showMsg("创建订单失败")
        // 1.3 得到服务器响应的“订单编号”
        const orderNumber = res.order_number
        // 2. 订单预支付
        // 2.1 发起请求获取订单的支付信息
        const {
          data: res2
        } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', {
          order_number: orderNumber
        })
        console.log(res2)
        // 2.2 预付订单生成失败
        if (res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败！')
        // 2.3 得到订单支付相关的必要参数
        const payInfo = res2.message.pay
        //3.发起微信支付
        // 3.1 调用 uni.requestPayment() 发起微信支付
        const [err,succ]=await uni.requestPayment(payInfo)
        //3.2未完成支付
        if(err)return uni.$showMsg('订单未支付')
        //3.3 完成了支付，进一步查询支付的结果
        const {data:res3}=await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number: orderNumber})
        if(res3.meta.status!==200) return uni.$showMsg("订单未支付")
        uni.showToast({
          title:'支付完成',
          icon:'success'
        })
      }
    }
  }
</script>

<style lang="scss">
  .settle-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: #c00000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 5px;
    background-color: white;
    font-size: 14px;

    .radio {
      display: flex;
      align-items: center;
    }

    .amount-box {
      .amount {
        color: #c00000;
        font-weight: bold;
      }
    }

    .btn-settle {
      line-height: 50px;
      background-color: #c00000;
      color: white;
      min-width: 100px;
      text-align: center;
      padding: 0 10px;
    }
  }
</style>
